PAVEMENT BREAKER WILL NOT OPERATE.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

BR67 PAVEMENT BREAKER (SEE)

116. PAVEMENT BREAKER WILL NOT OPERATE.

Step 1.

Check for damaged hydraulic lines.

· If hydraulic lines are damaged, replace hydraulic lines (page 4-586).

· If hydraulic lines are not damaged, go to step 2.

Step 2.

Attempt to operate a different hydraulic tool.

· If alternate tool operates, replace pavement breaker.

· If alternate tool does not operate, perform Malfunction 76.

117. PAVEMENT BREAKER WILL NOT OPERATE EFFECTIVELY.

Check for damaged hydraulic lines.

· If hydraulic lines are damaged, replace hydraulic lines (page 4-586).

· If hydraulic lines are not damaged, notify direct support maintenance.

118. PAVEMENT BREAKER OVERHEATS.

Step 1.

Check for low oil level in front hydraulic tank.

· If oil level is low, add oil (TM 5-2420-224-10).

· If oil level is not low, perform Malfunction 100.

CHAIN SAW (SEE)

119. CHAIN SAW WILL NOT OPERATE.

Step 1.

Check for leaking and damaged hydraulic lines.

· If hydraulic lines are leaking or damaged, tighten loose connections

or replace hydraulic lines (page 4-586).

· If hydraulic lines are not leaking or damaged, go to step 2.

Step 2.

Attempt to operate a different hydraulic tool.

· If alternate tool operates, replace chain saw.

· If alternate tool does not operate, perform Malfunction 76.

120. CHAIN SAW CUTS SLOWLY OR NOT AT ALL.

Check for worn and damaged chain.

· If chain is worn or damaged, replace chain saw chain (page 4-744).

· If chain is not worn or damaged, notify direct support maintenance.

Change 2